| article html file updated | 7 February 2020 16:04 CET | Update | https://www.mdpi.com/1422-0067/17/10/1681 |
| article html file updated | 5 May 2019 02:10 CEST | Update | - |
| article html file updated | 31 October 2016 07:41 CET | Update | - |
| article html file updated | 9 October 2016 12:42 CEST | Original file | - |
| article xml uploaded. | 9 October 2016 12:41 CEST | Original file | https://www.mdpi.com/1422-0067/17/10/1681/xml |
| article pdf uploaded. | 9 October 2016 12:41 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/10/1681/pdf |
